/*
 * Copyright (c) 2008 James Molloy, Jörg Pfähler, Matthew Iselin
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef KERNEL_PROCESSOR_SYSCALLHANDLER_H
#define KERNEL_PROCESSOR_SYSCALLHANDLER_H

#include <processor/state.h>

/** @addtogroup kernelprocessor
 * @{ */

/** Abstract base class for all syscall-handlers. All syscall-handlers mustbe
 * derived from this class */
class SyscallHandler
{
  public:
    /** Called when the handler is registered with the syscall manager and a syscall occurred
     *\param[in] State reference to the state before the syscall */
    virtual uintptr_t syscall(SyscallState &State) = 0;

  protected:
    /** Virtual destructor */
    inline virtual ~SyscallHandler(){}
};

/** @} */

#endif
